砂钉即石英砂,砂钉为篆刻术语,篆刻石中的硬质难磨颗粒物称为砂钉,需用金刚砂 或纳米刻刀进行打磨。 石英砂是一种非金属矿物质,是一种坚硬、耐磨、化学性能稳定的硅酸盐矿物,其主要矿物成分是SiO2,石英砂的颜色为乳白色、或无色半透明状,硬度7,石英砂是重要的工业矿物原料,非化学危险品,广泛用于玻璃、铸造、陶瓷及耐火材料、冶炼硅铁、冶金熔剂、冶金、建筑、化工、塑料、橡胶、磨料等工业。
通过实践总结了土钉及锚杆技术在人工填土、砂卵石、砂层、淤泥质土等复杂地层边坡支护施工的处理方法。
The nail-dog and rock-bolt technique is often used in the supporting construction of such complicated slopes as artificial fill, sandy graves strata, sand deposits and muddy soil.
产品可以砂光,锯割,打钉和拧螺钉,还可用墙纸、装饰纸、薄膜、单板覆贴装饰。
The product can be sanded, sawed, nailed, screwed, and it can be finished with wallpaper, decorative paper and foil, or veneer.
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